or principal in the school had been armed even though prominent republicans like virginia governor bob mcdonnell and texas governor rick perry among others are proposing it as a solution. we don't know if an armed teacher or principal would have made much of a difference. we also don't know if our culture of violence portrayed in movies and video games should bear part of the blame despite politicians on both sides of thule use aisle using this to deflect the focus from guns to the other potential problem areas. we don't know why when congressman jack kingston says "was this young man addicted to violent video games was there a hollywood influence? i think we can't just stop at guns." nobody just wants to stop at guns but we do want to start with them. there are several things we don't know but what we do know is where we can start to take action. we know that last friday, it was semi-automatic guns, once deemed deadly enough to ban that took the lives of 20 6 and 7-year-old children and seven others. semi-automatic guns killed 12 in aurora in july. it was semi-automatic guns that kill